package com.japstudy.util;

import java.util.Random;

public class UUIDUtil {
	private static char[] choose = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
			'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
			'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
			'U', 'V', 'W', 'X', 'Y', 'Z'};
	
	public static String getUUID() {
		char[] result = new char[32];
		for (int i = 0; i < result.length; i++) {
			Random rand = new Random();
			int randChooseIndex = rand.nextInt(choose.length);
			result[i] = choose[randChooseIndex];
		}
		return String.copyValueOf(result);
	}
}
